Home / 2,351.20-3,240.94-1,853.05

Finding the Fourth Proportional to 2,351.20, 3,240.94 and 1,853.05

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Solution

The fourth proportional to 2,351.20, 3,240.94 and 1,853.05 is: 2,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.20 : 3,240.94 = 1,853.05 : x
  2. Step 2: Convert to fraction form
    2,351.20/3,240.94 = 1,853.05/x
  3. Step 3: Cross multiply
    2,351.20x = 3,240.94 × 1,853.05
  4. Step 4: Simplify right side
    2,351.20x = 6,005,623.87
  5. Step 5: Solve for x
    x = 6,005,623.87/2,351.20
  6. Step 6: Final answer
    x = 2,554.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.